package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.User;
import com.itheima.reggie.service.UserService;
import com.itheima.reggie.utils.SMSUtils;
import com.itheima.reggie.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@RestController
@RequestMapping("/user")
@Slf4j
public class UserController {

    @Autowired
    private UserService userService;

    @Autowired
    private RedisTemplate redisTemplate;


    /**
    * @Description: 发送手机短信验证码
            * @Param: 
            * @return: 
            * @Author: Lei
            * @Date: 
     */
    
    @PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user, HttpSession session){

        /**获取手机号*/
        String phone= user.getPhone();

        if(StringUtils.hasText(phone)){
            /**生成随机的4位验证码*/
            String validateCode = ValidateCodeUtils.generateValidateCode(4).toString();
            log.info("validateCode={}",validateCode);

            /**调用阿里云提供的短信服务API完成发送短信*/
//            SMSUtils.sendMessage("瑞吉外卖","",phone,validateCode);
            /**将生成的验证码保存到Session*/
//            session.setAttribute(phone,validateCode);

            /**将生成的验证码缓存到redis中，并且设置有效期为5分钟*/
            redisTemplate.opsForValue().set(phone,validateCode,5, TimeUnit.MINUTES);



            return R.success("手机验证码短信发送成功");
        }

        return R.error("手机验证码短信发送失败");
    }
    
    
    /**
    * @Description: 移动端客户登录
            * @Param: 
            * @return: 
            * @Author: Lei
            * @Date: 
     */
    
    @PostMapping("/login")
    public R<User> login(@RequestBody Map map,HttpSession session){
        log.info(map.toString());
        /**获取手机号*/
        String phone = map.get("phone").toString();
        /**获取验证码*/
        String code = map.get("code").toString();
        /**从Session中获取保存的验证码*/
//        Object codeInSession  = session.getAttribute(phone);


        /**从redis中获取缓存的验证码*/
        Object codeInSession = redisTemplate.opsForValue().get(phone);


        /**进行验证码的比对（页面提交的验证码和Session中保存的验证码进行比对）*/
        if(codeInSession!=null&&codeInSession.equals(code)){
            /**如果比对成功，说明登录成功*/
            /**判断当前手机号对应的用户是否为新用户*/
            LambdaQueryWrapper<User> lambdaQueryWrapper=new LambdaQueryWrapper<>();
            lambdaQueryWrapper.eq(User::getPhone,phone);

            User user = userService.getOne(lambdaQueryWrapper);
            if(user==null){
                /**如果是新用户则自动完成注册*/
                user=new User();
                user.setPhone(phone);

                //
                user.setName("测试");
                user.setStatus(1);
                userService.save(user);
            }
            session.setAttribute("user",user.getId());

            /**如果用户登录成功，删除redis中缓存的验证码*/
            redisTemplate.delete(phone);


            return R.success(user);
        }

        return R.error("登录失败");
    }
}
